Question

1 / 5 (5s−1) = 1 4 (1−12s) + 1 / 20 find x

Answer 1

Step-by-step explanation:

1/5×5s-1 =s-1

14(1-12s) =14 - 168s

s - 1 = 14 - 168s + 1/20

s+168s = 14+1+1/20

169s = 15+ 1/20

169s = 300+1/20

169s = 301/20

s = 301/20 ×169

s = 301 / 3380

s = 0.089